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Quiz Hard 2

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Quiz Hard 2

1 / 30

Which of the following statements incorrect?

2 / 30

Glass electrodes can not be used to measure the ph of the pure

3 / 30

. Low-quality steels with an M suffix on the designation intended for non-structural application is classified as

4 / 30

The concept is also known as proton-donor acceptor system

5 / 30

For the respiration of sea divers mixtyre is

6 / 30

Which of the following functional groups is not involved in ton-exchange chromatography?

7 / 30

Is a peroxy acid

8 / 30

XeF4 is obtained when a mixture of Xenon and fluorine in the ratio la heated in a nickle vessel at 400°C

9 / 30

In reverse-phase chromatography, which of the analyte will be retained more on the stationary phase?

10 / 30

When CH3COOH is titrated against NaOH, the pH as the equivalence point is

11 / 30

magnesium burns in air to give

12 / 30

Putrefaction is

13 / 30

Lux.Flood concept inn Bono-acceptor system of

14 / 30

The pH of milk is

15 / 30

The value of Kw increases with temperature because the ionization of water is

16 / 30

Which pair of species can undergo chemical reaction with each other ?

17 / 30

The separation efficiency of It column Can be expressed in terms of number of

18 / 30

Which of the following biogeochestical cycles is not component of ecosystem?

19 / 30

which of the following is not an alkali metals?

20 / 30

Of the following the commonly used in the laboratory desiccator is

21 / 30

pick out incorrect statement for XeF4?

22 / 30

Natural fertilizers are materials derived from

23 / 30

The oxidation number of Xe in XeOF2 is

24 / 30

Which of the following exists as polymeric chains insolid state?

25 / 30

Which of the poly saccacharide on hydrolysis gives only fructose

26 / 30

Which of the following hydroxides is stable?

27 / 30

which one of the following statementy is false about transition metals?

28 / 30

Which of the followings is not a component of HPLC system?

29 / 30

What is prefix in steel identification means it is made in an electric furnace?

30 / 30

Which of the following energy is trapped by the autotrophie orgrinistna?

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